2 trademarks were found for owners matching the name Guangzhou Tangwen Technology CO., Ltd.
#Classstatus
1 S:97880060
M:COLUMPRO

O:Guangzhou Tangwen Technology CO., Ltd
7 Pending
2 S:90653830
M:COLUMPRO
O:Guangzhou Tangwen Technology CO., Ltd.
8 Registered
Trademark Alertz updated from USPTO on 2030-01-24